695. React useEffect Stale Closure Output

function App() {
  const [count, setCount] = React.useState(0)

  React.useEffect(() => {
    const id = setInterval(() => {
      console.log(count)
      setCount((c) => c + 1)
    }, 1000)

    return () => clearInterval(id)
  }, [])

  return null
}